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14Day-ArrayToEven.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity >=0.5.0 <0.9.0;
+
+contract Day2 {
+//Create a function even(array, length of array) . This even() will take two arguments - a dynamic uint type array and length of the array.
+    function even(uint256[] memory arr, uint256 len)
+        public
+        pure
+        returns (uint256[] memory)
+    {
+    //The even() will multiply each element of array with 2
+        for (uint256 i = 0; i < len; i++) {
+            arr[i] = 2 * arr[i];
+        }
+        return arr;
+    }
+}